The entire process went incredibly smooth, to the point it felt surreal.
Wei Wuyin and Lin Ming swore respective oaths upon their Spirits of Cultivation, establishing an agreement to deliver the token to Lin Ming, forfeiting his right as a Token Wielder and receiving first pick of the final cache. To accomplish this deal, it was further established that Wei Wuyin would accompany them to the final cache.
During which, neither party could act against the other unless the other party acted first. Of course, this meant they would suffer the consequences for breaking the oath, but who knew what would happen? It was best to establish firm rules in one's oath in case of a special situation.